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The Geometry of Diagrams and the Logic of Syllogisms

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Visual Reasoning with Diagrams

Part of the book series: Studies in Universal Logic ((SUL))

Abstract

Aristotle accounts for three figures on which syllogisms are formed. On the first figure it is possible to prove the completeness of all of the possible syllogisms. But on the second and on the third figures completion is not possible; therefore, premises based on the second or on the third figure are converted in such a way as to count as premises on the first figure. Aristotle’s procedure leads to difficulties discussed and corrected in the course of this paper.

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References

  1. Alexander of Aphrodisias: Commentary on Aristotle’s Prior Analytics. Wallies, M. (ed.). Berlin (1883) (CAG II.1)

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  2. Patzig, G.: Die Aristotelische Syllogistik. Vandenhoeck & Ruprecht, Goettingen (1963)

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  3. Philoponus, J.: Commentary on Aristotle’s Prior Analytics. Wallies, M. (ed.). Berlin (1905) (CAG XIII.2)

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  4. Ross, W.D.: Aristotle’s Prior and Posterior Analytics, A Revised Text with Introduction and Commentary. Clarendon, Oxford (1949)

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Correspondence to Richard Bosley .

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Bosley, R. (2013). The Geometry of Diagrams and the Logic of Syllogisms. In: Moktefi, A., Shin, SJ. (eds) Visual Reasoning with Diagrams. Studies in Universal Logic. Birkhäuser, Basel. https://doi.org/10.1007/978-3-0348-0600-8_2

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